/Engine/Plugins/Experimental/QuicMessaging/Source/QuicMessagingTransport/Public/QuicMessages.h
Creates and initializes a new instance.
FMessageHeader ( const [EQuicMessageType](API\Plugins\QuicMessagingTransport\EQuicMessageType) InMessageType, const [FGuid](API\Runtime\Core\Misc\FGuid) InRecipientId, const [FGuid](API\Runtime\Core\Misc\FGuid) InSenderId, const uint32 InSerializedMessageSize )